عناصر مشابهة

• Physiological Studies On Friesian Cattle
  بواسطة: Ziedan, Alaa Al Saied Bellasy منشور: (1989)
• Studies In Cattle Reproduction
  بواسطة: El Darawany, Abd Elhaleem Aly Mohamed Ahmed منشور: (1989)
• Intesive Fatting Of Cattle And Bufalo Calves
  بواسطة: ابراهيم، أمين أحمد منشور: (1987)
• Characteristicw of Lactation Currve of Friesian Cows in The Jrdan Valley and The Factors Affecting Them
  بواسطة: Al Atiyat, Raed Mahmoud منشور: (1996)
• effect of progesterone therapy on pregnancy rate and concentration of progesterone in plasma and milk Friesian cows
  بواسطة: Al Katanani, Yasser Mohammed منشور: (1995)